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Showing 1–8 of 8 results
Advanced filters: Author: Ferdinand C. Grozema Clear advanced filters

  • Carrier multiplication processes, where photons are converted into multiple charge carriers, promise higher efficiencies for solar cells based on quantum dots and nanorods. Here, the authors demonstrate carrier multiplication in PbS nanosheets, extending this effect to two-dimensional materials.

    • Michiel Aerts
    • Thomas Bielewicz
    • Laurens D. A. Siebbeles
    ResearchOpen Access
    Nature Communications
    Volume: 5, P: 1-5

  • Discotic liquid crystals are materials with high charge-carrier mobility, which are promising for molecular electronics. They self-organize into stacks, usually with a twist of 30∘, but the shape and periphery of the molecules can now be altered to produce materials with a twist of 60∘. Defect-limited mobilities of these materials reach 0.2 cm2 V−1 s−1, but the potential defect-free mobility could be up to 10 cm2 V−1 s−1.

    • Xinliang Feng
    • Valentina Marcon
    • Klaus Müllen
    Research
    Nature Materials
    Volume: 8, P: 421-426

  • Single-molecule junctions provide a unique platform to understand how molecular structure affects electronic transport. Now it has been shown that electronic transport through a π-stacked dimer can be precisely controlled when pulling it apart. This behaviour is caused by quantum interference effects that are turned ON or OFF depending on dimer conformation.

    • Riccardo Frisenda
    • Vera A. E. C. Janssen
    • Nicolas Renaud
    Research
    Nature Chemistry
    Volume: 8, P: 1099-1104

  • Functionalizing two-dimensional (2D) hybrid perovskites with organic chromophores is a novel approach to tune their optoelectronic properties. Here, the authors report efficient charge separation and conduction in 2D hybrid perovskite nanoplatelets by incorporating an electron acceptor chromophore.

    • María C. Gélvez-Rueda
    • Magnus B. Fridriksson
    • Ferdinand C. Grozema
    ResearchOpen Access
    Nature Communications
    Volume: 11, P: 1-9

  • A large negative differential resistance is detected in a single-molecule break junction and theoretical models validate intrinsic resonant transport inside the molecule.

    • Mickael L. Perrin
    • Riccardo Frisenda
    • Herre S. J. van der Zant
    Research
    Nature Nanotechnology
    Volume: 9, P: 830-834

  • Photoredox catalysts offer a promising approach to performing reactions with high energetic requirements, however, the influence of solvent and counter ions is not fully understood. Now, a microwave-based technique is shown to give direct insight into their effects on charge reorganization during catalysis.

    • Ferdinand C. Grozema
    News & Views
    Nature Chemistry
    Volume: 14, P: 720-722

  • Charge transfer in DNA is of fundamental interest in chemistry and biochemistry and has possible applications in nano-electronics. Now it has been shown, through a combined experimental and theoretical study, that the migration of positive charges through low-lying orbitals of nucleobases (deep-hole transfer) leads to charge transfer that is faster than previously considered transport regimes.

    • Nicolas Renaud
    • Michelle A. Harris
    • Ferdinand C. Grozema
    Research
    Nature Chemistry
    Volume: 8, P: 1015-1021